Wow, congratulations OP. This is one of the most spot on predictions I have seen on this site.
I just wonder what would've happened if Microsoft didn't screw up their X1 launch. I bet they would've been much closer now.
As for the Wii U, well, I think Nintendo should've done, in its first year, what Microsoft is doing now. You know, dropping the Gamepad and lowering the price. If they did this, I bet their marketshare would've been a lot larger now. But I don't know, for some reason Nintendo doesn't seem to care about marketshare, which is funny because they are the ones who make software, so if there is someone who would benefit from a bigger install base, that is them. But I'm no expert, so maybe I'm just missing something on their line of thinking.